<?php
/**
 * OnlyOfficeTemplates module configuration.
 * Reads from environment (.env) or optional external config (crm_extensions/file_storage/config.php).
 * Portable: no hardcoded paths; set S3_*, ONLYOFFICE_* in .env or your config.
 */

$OnlyOfficeTemplatesConfig = null;

/**
 * Read env var: getenv() then $_ENV then EnvLoader::get() (EnvLoader does not use putenv).
 */
function OnlyOfficeTemplates_env($key, $default = '') {
    $v = getenv($key);
    if ($v !== false && $v !== '') {
        return $v;
    }
    $v = $_ENV[$key] ?? null;
    if ($v !== null && $v !== '') {
        return $v;
    }
    if (class_exists('EnvLoader')) {
        $v = EnvLoader::get($key, $default);
        return $v !== null ? $v : $default;
    }
    return $default;
}

function OnlyOfficeTemplates_getConfig() {
    global $OnlyOfficeTemplatesConfig;
    if ($OnlyOfficeTemplatesConfig !== null) {
        return $OnlyOfficeTemplatesConfig;
    }

    $baseDir = dirname(__DIR__);
    $rootDir = dirname(dirname($baseDir));

    // Load .env (EnvLoader uses $_ENV, not getenv)
    if (file_exists($rootDir . '/crm_extensions/shared/EnvLoader.php')) {
        require_once $rootDir . '/crm_extensions/shared/EnvLoader.php';
        $envPath = $rootDir . '/crm_extensions/.env';
        if (file_exists($envPath)) {
            EnvLoader::load($envPath);
        }
    }

    // 1) Try external config (crm_extensions) if present
    $extConfigPath = $rootDir . '/crm_extensions/file_storage/config.php';
    if (file_exists($extConfigPath)) {
        try {
            $ext = require $extConfigPath;
            if (is_array($ext) && isset($ext['s3'])) {
                $s3 = $ext['s3'];
                $bucket = $s3['bucket'] ?? $ext['bucket'] ?? $ext['s3_bucket'] ?? OnlyOfficeTemplates_env('S3_BUCKET', '');
                $OnlyOfficeTemplatesConfig = [
                    's3' => $s3,
                    's3_prefix' => OnlyOfficeTemplates_env('OOT_S3_PREFIX', 'crm2/OnlyOfficeTemplates'),
                    'onlyoffice_convert_url' => OnlyOfficeTemplates_env('OOT_ONLYOFFICE_CONVERT_URL') ?: OnlyOfficeTemplates_env('ONLYOFFICE_CONVERT_URL', ''),
                    'onlyoffice_document_server' => OnlyOfficeTemplates_env('OOT_ONLYOFFICE_DOCUMENT_SERVER') ?: OnlyOfficeTemplates_env('ONLYOFFICE_DOCUMENT_SERVER', ''),
                    'documents_s3_prefix' => OnlyOfficeTemplates_env('OOT_DOCUMENTS_S3_PREFIX', 'crm2/CRM_Active_Files/Documents'),
                    's3_bucket' => $bucket,
                    'document_secret' => OnlyOfficeTemplates_env('OOT_DOCUMENT_SECRET', ''),
                ];
                return $OnlyOfficeTemplatesConfig;
            }
        } catch (Exception $e) {
            // fallback
        }
    }

    // 2) Build from environment
    $OnlyOfficeTemplatesConfig = [
        's3' => [
            'key' => OnlyOfficeTemplates_env('S3_ACCESS_KEY', ''),
            'secret' => OnlyOfficeTemplates_env('S3_SECRET_KEY', ''),
            'endpoint' => OnlyOfficeTemplates_env('S3_ENDPOINT', ''),
            'bucket' => OnlyOfficeTemplates_env('S3_BUCKET', ''),
            'region' => OnlyOfficeTemplates_env('S3_REGION', 'ru-1'),
            'use_path_style_endpoint' => true,
            'version' => 'latest',
        ],
        's3_prefix' => OnlyOfficeTemplates_env('OOT_S3_PREFIX', 'crm2/OnlyOfficeTemplates'),
        'onlyoffice_convert_url' => OnlyOfficeTemplates_env('OOT_ONLYOFFICE_CONVERT_URL') ?: OnlyOfficeTemplates_env('ONLYOFFICE_CONVERT_URL', ''),
        'onlyoffice_document_server' => OnlyOfficeTemplates_env('OOT_ONLYOFFICE_DOCUMENT_SERVER') ?: OnlyOfficeTemplates_env('ONLYOFFICE_DOCUMENT_SERVER', ''),
        'documents_s3_prefix' => OnlyOfficeTemplates_env('OOT_DOCUMENTS_S3_PREFIX', 'crm2/CRM_Active_Files/Documents'),
        's3_bucket' => OnlyOfficeTemplates_env('S3_BUCKET', ''),
        'document_secret' => OnlyOfficeTemplates_env('OOT_DOCUMENT_SECRET', ''),
    ];

    return $OnlyOfficeTemplatesConfig;
}